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kifflom [539]
2 years ago
13

State the periodic law and explain how it relates to the periodic table.​

Chemistry
2 answers:
ahrayia [7]2 years ago
8 0

it relates to the periodic table because elements of the periodic table are arranged in order of increasing atomic number.

Explanation:

The periodic law states "when elements are arranged in order of increasing atomic number, there is a periodic repetition of their chemical and physical properties

serious [3.7K]2 years ago
3 0
State the periodic law and explain how it relates to the periodic table.
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Which of these is a covalent compound?<br><br> A. LiCl<br> B. MgO<br> C. AlCl3<br> D. CO
Fiesta28 [93]

Answer:

C. AlCl3 is a covalent compound.

Explanation:

It is formed by mutual sharing of electrons between two atoms each contributing equal number of electrons to the electron pair.

3 0
3 years ago
Match the following terms:
AURORKA [14]

Answer:

See below ~

Explanation:

<u>A to B</u>

⇒ Solid Phase

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<u>B to C</u>

⇒ Melting

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<u>C to D</u>

⇒ Liquid Phase

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<u>D to E</u>

⇒ Vaporizing

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3 0
2 years ago
Find the volume of hydrogen gas formed when 1.5g of aluminum reacts with aq NaOH at 27 degrees Celcius.
Rudiy27

Answer:

how can I solve this ?4Al+3O2 produce 2Al2O3 find a) oxygen atoms needed to react with 5.4 g of aluminium b) grams of oxygen needed to react with 0.6 mol of aluminium?

(A) n=m/M,

n(Al)=5.4/27=0.2 moles

n(O2)=n(Al)*3/4=0.2*3/4=0.15 moles

Number of oxygen atoms= n(O2)*Avogadro's number

=0.15*6.02*10^23=9.03*10^22 oxgyen atoms

(B)

n=m/M

n(Al)=0.6/27=0.02222 moles

n(O2)=n(Al)*3/4=0.016666 moles

m=n*M

m(O2)=0.0166666*32=0.53333 grams

8 0
2 years ago
Water changes from a liquid to a gas in the process of evaporation. <br> true or false
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This it true because in the triangle of the transformation from solid, liquid, and gas
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4 0
3 years ago
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How do the properties of elements in the same column of the periodic table compare
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The columns of the periodic table, also referred to as "groups" contain elements with similar reactive properties, due to these elements having a similar configuration of electrons in their outer shell.
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3 years ago
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